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Finding the Fourth Proportional to 6,555.69, 9,047.07 and 3,571.38

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Solution

The fourth proportional to 6,555.69, 9,047.07 and 3,571.38 is: 4,928.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,555.69 : 9,047.07 = 3,571.38 : x
  2. Step 2: Convert to fraction form
    6,555.69/9,047.07 = 3,571.38/x
  3. Step 3: Cross multiply
    6,555.69x = 9,047.07 × 3,571.38
  4. Step 4: Simplify right side
    6,555.69x = 32,310,524.86
  5. Step 5: Solve for x
    x = 32,310,524.86/6,555.69
  6. Step 6: Final answer
    x = 4,928.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.